While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
Note: This feature may not be available in some browsers.
any decent woodwork shop should have a variety of clamping levers just like that (Abby Tool for instance). then take the knurled thumb knob and drill it out to slide over the bolt, this acts as a spacer and makes it all work perfect.